CN1113094A - Pre-bussed rigid conduit - Google Patents
Pre-bussed rigid conduit Download PDFInfo
- Publication number
- CN1113094A CN1113094A CN94190554A CN94190554A CN1113094A CN 1113094 A CN1113094 A CN 1113094A CN 94190554 A CN94190554 A CN 94190554A CN 94190554 A CN94190554 A CN 94190554A CN 1113094 A CN1113094 A CN 1113094A
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- Prior art keywords
- outer tube
- rigidity
- section
- face district
- lead
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 239000006260 foam Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 15
- 230000008901 benefit Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 3
- 239000012815 thermoplastic material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/60—Connections between or with tubular conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/161—Details
- H01R25/162—Electrical connections between or with rails or bus-bars
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/061—Tubular casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Multi-Conductor Connections (AREA)
Abstract
A sectionalized electrical distribution feeder system for carrying electrical power from a source point to a use point or a distribution point. Each section (14) of the distribution system includes a substantially cylindrical enclosure (18) capable of being easily cut with a hand saw. The enclosure also provides support and protection from physical damage to a plurality of electrical conductors (22) which are disposed within the enclosure. The conductors (22) are held firmly in place by a number of electrically insulating supports (50) which snugly fit inside the enclosure. Each conductor (22) can be easily cut with a metal cutting hand saw, and is enclosed in an electrically insulating sheath which can be removed from a newly cut end to provide a contact surface. A joint connecting member (26) is provided for electrically connecting the conductors (22) of adjacent sections of the electrical distribution feeder system.
Description
The application is that application serial is NO.07/912,071, the part continuation application of the application of submitting on July 8th, 1992, it as a comparison file comprise in this application.
Technical field under the present invention is the distribution feeder system that is used in industry and commercial location.
Past industry and commercial distribution feeder system adopt cable and cable duct, cable and cable bearer, cable and cable trough, or bus duct usually.When adopting cable and cable duct, must cable duct be installed at first, then cable be passed therethrough, just finish installment work.When adopting cable and cable bearer or cable trough, also relate to cable bearer or cable trough at first are installed, then cable laying on support or in the groove, is just finished installment work.The installment work of bus duct is compared with cable and pipeline, and perhaps cable and cable bearer or cable trough are simpler, because electric lead has been contained within the protectiveness outer tube, after the outer tube encapsulation, does not just need other work.It is that the bus of rectangle is arranged on the common plane in parallel to each other that the design of past bus duct is generally several cross sections, is encapsulated into then among the rectangle outer tube.Each section bus duct is made the length of regulation, and is just immutable in the installation process at the scene.For this reason, special if desired length must design in manufactory and make.This special design and manufacturing need to increase the time that is transported to the working site, have also increased the expense of user's payment usually.
The invention provides cable and pipeline that another kind is used for electric feeder system, cable and cable bearer, and bus duct design are specially adapted to ampacity and are about in 60 to 800 amperes of scopes.
In one embodiment of the invention, electric feeder system comprises and is generally the cylinder tube shape outer tube by one or more different lengths that they are structurally similar to the metallic conduit of routine.This is the electric lead of rigidity to dispose many foundation in the outer tube.On each end face of each section outer tube, provide the end face plug, in order to the end face of hermetically sealed case pipe, and the lead in the stay pipe.The end face plug is made with insulating material, and its size is for to fill in the end face of every section sleeve pipe hermetically.Provide passage along its length in the end face plug, be used for closely laying each root lead.Be spaced from each other between the passage, and separate, to prevent between the lead and lead contacts with electric with physics between the outer sleeve inner wall with the inwall of outer tube.
In most preferred embodiment of the present invention, one or more holding componentss are arranged in the long outer tube, be distributed in the pipe along its length on the position spaced.Holding components is made with insulating material, and its size is for being placed in the outer tube slidably.Similar with the end face plug, be provided with passage in the holding components, size is for closely laying lead, and supports lead on certain interval location, thereby, prevent between the lead and lead contacts with electric with physics between the outer sleeve inner wall.
Pre-bussed rigid conduit segmentation distribution system of the present invention combines pipeline and bus duct.Yet there is significant advantage in system of the present invention compared with prior art systems, particularly in 60 to 800 amperes of ampacity scopes.
An advantage of distribution system of the present invention is, lead is placed on make the sleeve pipe that is adopted in the bus duct equipment of outer tube compared with same current-carrying capacity want littler in the cylindrical jacket pipe usually, but firmer.Pre-bussed rigid conduit outer tube of the present invention cooperates needed sleeve pipe also little compared with the cable and the pipeline of same current-carrying capacity usually.
The another one advantage of pre-bussed rigid conduit of the present invention is it to be made the length of regulation, with convenient transportation and installation; Yet different with the bus duct system of prior art, it is 4 inches long that pre-bussed rigid conduit of the present invention can be modified to the shortest with hand-operated tools at the scene easily.
It is that outer tube can also provide water proof environment for the packaged lead in inside under the normal conditions that has adopted the waterproof electrical conduits to cooperate that the present invention also has an advantage.
Consult following detailed introduction, claim and accompanying drawing, to those skilled in the art, other characteristics of the present invention and advantage will be more readily apparent from.
To being described in detail of most preferred embodiment of the present invention, and with reference to the accompanying drawings, will be better understood above-mentioned and other purpose, aspect and advantage from following.Accompanying drawing has:
Fig. 1 is the isogonism exploded view of two adjacent segments of pre-bussed rigid conduit of the present invention;
Fig. 2 is the isogonism cutaway view of one section of pre-bussed rigid conduit of the present invention;
Fig. 3 is the isogonism fragmentary cross-sectional view of an insulation holding components, in the outer tube of these parts in order to the pre-bussed rigid conduit system that is supported in lead according to the present invention to be constituted.
Fig. 4 is the part sectioned view of a joint link, and these parts are used to connect two adjacent segments of pre-bussed rigid conduit constructed in accordance.
Fig. 5 is the isometric view of an electrical fitting, and these parts generally are distributed in the joint link shown in Figure 4, is convenient to the electric contact of corresponding lead in two adjacent segments of pre-bussed rigid conduit constructed in accordance.
Fig. 6 is the isometric view of the another kind of structure of pre-bussed rigid conduit according to the present invention, and lead wherein is hollow.
Fig. 7 is the profile of a joint link, and these parts are used to connect two adjacent segments according to the pre-bussed rigid conduit of another kind of structure of the present invention shown in Figure 6, and lead wherein is hollow.
Fig. 8 is the profile of the another kind of structure of joint link, and these parts are used to connect two adjacent segments according to the pre-bussed rigid conduit of the another kind of structure of the present invention shown in Figure 6, and lead wherein is hollow.
Fig. 9 is the exploded view of the joint link made according to one embodiment of present invention.
Figure 10 is one section a profile in the joint link shown in Figure 9.
Figure 11 is one section a end-view in the joint link shown in Figure 9.
Figure 12 is two sections a isometric view in the pre-bussed rigid conduit of the present invention described in second embodiment.
Figure 13 is the profile of one section pre-bussed rigid conduit outer tube 13-13 along the line among Figure 12, and a sulculus is arranged in this sleeve pipe, places lead and foam lead holder.
Figure 14 is the not isometric view of the lead of tape insulation sleeve of pre-bussed rigid conduit.
Figure 15 is the isometric exploded view of a joint link.
Figure 16 is the end-view that an on-the-spot variable-length is carried disconnected section.
Figure 17 is the profile of the pre-bussed rigid conduit section of clipping of the present invention described in the 3rd embodiment.
Figure 18 is the isometric view of a dead-end feeder unit.
Figure 19 is the profile of dead-end feeder unit 19-19 along the line among Figure 18.
Figure 20 is that a dead-end feeder unit is installed in the isometric view on the junction box.
Figure 21 scene of serving as reasons can change the schematic diagram of the distribution feeder system that the pre-bussed rigid conduit of length section and non-at-scene variable-length forms.
Being described in detail before one embodiment of the present of invention, it must be understood that the detailed structure shown in that the present invention is not limited to the description in this application or accompanying drawing.The present invention can have other embodiment, can have various alternate manners to realize or carry out.In addition, it must be understood that also used wording and term are in order to narrate, should not to be counted as restriction here.
A most preferred embodiment of pre-bussed rigid conduit segmentation distribution feeder of the present invention system draws among Fig. 1.Pre-bussed rigid conduit comprises outer tube 18 and multiple conducting wires 22 for first section 14.Second section 14 ' comprise outer tube 18 ' and multiple conducting wires 22 '.Include a plurality of electrical fittings 30 that are essentially tubulose in the joint link 26, it connect on electric first section 14 lead 22 and second section 14 ' lead 22 '.Joint outer cover 34 and a pair of nut 38 be connected physically first section 14 outer tube 18 and second section 14 ' outer tube 18 '.In most preferred embodiment, outer tube 18 and 18 ' be metallic, as the metal electrical conduits of routine.Joint outer cover 34 and nut 38 are made up of conventional, electrical conduits annex.
Fig. 2 structure of one section 14 that draws in the pre-bussed rigid conduit most preferred embodiment of the present invention.Each root lead 22 is encapsulated in the electric insulation sheath 42.On each end 46 of lead 22, sheath 42 parts are peelled off, so that electric contact surface to be provided.End face plug 48 is made by insulating material, and for example polymeric material or thermoplastic material are on each termination of its section of being placed in 14.End face plug 48 is pressed in the outer tube 18, is closely cooperating around the lead 22 and in the outer tube 18, thereby is making outer tube 18 sealings.One or more holding componentss 50 also are to be made by the electrical insulating material of polymeric material or thermoplastic material and so on, it can be placed with interval in outer tube 18 inside, so that physically, the more important thing is on electric, support and keep the spacing of outer tube 18 inner leads 22.Holding components 50 closely wraps in around the lead 22, and is easy to slide in outer tube 18.Referring to Fig. 3, wherein each holding components 50 is generally cylindrical, and first end face 54 and second end face 58 are arranged.A plurality of passages 62 connect holding components 50 along its length, and first end face 54 is linked to each other with second end face 58.These passages are of a size of and can securely lay lead 22.
Be used for connecting as shown in fig. 1 two adjacent segment 14 and 14 ' parts be contained in the end of each section.For example, referring to Fig. 4, an embodiment of the joint link 26 that wherein draws, it has been an interconnect function.Joint link 26 has first end face 66 and second end face 70.A plurality of step passages 74 connect joint link 26 along its length, and first end face 66 and second end face 70 are communicated.Each step passage 74 has intake section 78, extends inward from first end face 66 and second end face 70; Also have a junction to divide 82, connect the intake section 78 at two ends.The diameter of intake section 78 forms type conical bench 86 greater than the diameter of coupling part 82 in their junction.
Referring to Fig. 5, the tubular connection 30 of C tee section is wherein arranged, it is of a size of in the coupling part 82 that can be placed on step passage 74 in the link of joint shown in Fig. 4 26.The termination 94 of connector 30 expands outwardly funnel, embeds the type conical bench 86 of step passage 74, and the means that prevent that connector 30 from moving along its length in the passage 74 of joint link 26 are provided.Funnel-form termination 94 is also convenient with among the lead 22 insertion connectors 30.
Referring to Fig. 9-11, wherein draw connect adjacent two section 14 and 14 shown in Figure 1 ' another embodiment 26 ' of joint link.Joint link 26 ' comprise substantially the same first section 170 and second sections 170 ', they lock together, and forming one is cylindrical parts basically.Four passages 160 are arranged in first section 170, be used for closely and can lay lead shown in Figure 1 22 slidably again.In first section 170 and then also include a pair of wedge shape that is essentially, promptly 1/4th tubular extensions 164 are run through one and are essentially columniform passage 162 in each extension 164, with concentric one of in the passage 160.Passage 162 be of a size of fastening placement be essentially cylindrical connector 30 ', connector 30 ' be the C tee section, its inner surface is of a size of and securely inserts termination 46 of peelling off sheath in the lead 22 shown in Figure 2.Connector 30 ' the C tee section make it when fitting joint link 26, slightly the extruding, just can be pressed onto in the passage 162; Connect two section 14 and 14 as shown in Figure 1 ' in, when connectors were inserted in lead 22 terminations 46 of peelling off sheath, slightly expansion just being pressed against on the wall of passage 162 tightly.Connector 30 ' similar to connector 30 shown in Figure 5 plays identical functions, different only be the funnel-form termination 94 that it does not have connector 30.Connector 30 ' size (length) for being inserted into fully in the corresponding passage 162.Connector 30 ' external diameter preferably be greater than the diameter of passage 160.Correspondingly, when substantially the same first and second section 170 and 170 ' when being assembled together, connector 30 ' corresponding the passage 162 and 162 of packing into ' in, formed joint link 26 ', because section 170 and 170 ' surface 168 and 168 ' perpendicular to parts 26 ' radially (cylindrical) axle 172, they just can prevent substantially connector 30 ' moving along its length.Those skilled in the art can be provided by some suitable means that provide, and do not draw in the drawings, be used for first and second sections fastening with form parts 26 ', adhesive for example.
Figure 6 shows that a section among another embodiment of pre-bussed rigid conduit of the present invention, the lead 98 that wherein lays is tubulose.Outer tube 18, lead sheath 42, end face plug 48 and holding components 50 are identical with most preferred embodiment shown in Figure 2.
Figure 7 shows that an embodiment of joint link 102, be used for connecting two adjacent segment of the pre-bussed rigid conduit of the embodiment of the invention shown in Figure 6.Joint link 102 is cylindrical, forms with insulating material is molded, for example with polymeric material or thermoplastic material; It has first end face 106 and second end face 110.Outer shroud 114 stretches out respectively from first and second end faces 106 and 110.Outer shroud 114 slides in the outside of outer tube 18.Several electrical fittings 118 are generally cylindrical, are molded on the joint link 102.Each connector 118 stretches out respectively from two end faces 106 and 110 of joint link 102.Each connector 118 has cone-shaped end 122, so that be inserted into easily in the termination of tubular lead 98.Smooth electric contact surface 100 is engaged on the inside of cellular conductor 98.Each cone-shaped end 122 has two orthogonal otch 126, from inwardly incision along its length of cone-shaped end 122.Longitudinal cut 126 is divided into quarter 130 with cone-shaped end 122.When connector 118 was inserted in the corresponding tubular lead 98, longitudinal cut 126 allowed cone-shaped end 122 compress slightly.
Joint link 102 ' another embodiment as shown in Figure 8.Another kind of joint link 102 ' in every respect is similar to joint link 102 shown in Figure 7, different is connector 118 ' have shape of threads surface 142.The ground connection connector 146 that also draws among Fig. 8 is just used it when earth lead 150 is adopted in inside.If adopt inner earth lead 150, as shown in Figure 6, it lays along the y direction of outer tube 18.
Though narrated the present invention by means of specific embodiment, for the those of skill in the art in this area, its some variations and modification can become without doubt and be perfectly clear.For example, be similar to the metal cords pipeline though the outer tube 18 in the most preferred embodiment has been said, in this embodiment, outer tube can ground connection, is used as neutral conductor.Certainly, outer tube 18 also can be made with non-conducting material, adopts the neutral conductor of label 150 expressions among Fig. 6 simultaneously.
Figure 12 is the 3rd embodiment of pre-bussed rigid conduit of the present invention.Here, the conducting line segment of precoating (drawing in Figure 12) is not a variable-length at the scene, they and at the scene the conducting line segment of precoating of variable-length (in Figure 16 and Figure 17, drawing) be used in combination.In Figure 12, drawn first and second section 154 and 154 of pre-bussed rigid conduit ', and their joint link 158.In this embodiment, jacket tube pipe 162 is to form with the electric conducting material mold pressing, and inside is packaged with multiple conducting wires 166.Four semicircular sulculuses 170 are arranged in the outer cover 162, see Figure 13.Each sulculus 170 forms an integral body with the inner surface 174 of jacket tube pipe 162, and each is equidistant along inner surface 174 each other.Sulculus 170 extends in the space that the inner surface 174 by outer tube 162 limited and lays lead 166.Sulculus 170 provides a kind of follow-on fin, to dissipate owing to electric current flows through the heat that electric lead 166 produces.Every lead 166 is encapsulated in the sheath 178 of electric insulation, and they closely surround lead 166, and lead 166 is insulated on electric each other and between lead 166 and the outer tube 162.Support lead 166 with expansion closed-cell foam supporter 182, and keep lead 166 along closely contacting with sulculus 170 on the length of whole outer tube 162, foam supporter 182 is lead 166 to be installed in the outer tube 12 with post-foaming, thereby fully is full of the space of outer tube 162.Foam supporter 182 also is limited in lead 166 in the outer tube 162, the insulation sheath 178 because it has bondd simultaneously around the inner surface 174 of outer tube 162 and the lead 166.Every lead 166 is made up of three parts: the aluminum conductor 186 of high conduction performance and two copper contacts 190, as shown in figure 14.Adhere to a copper contact 190 by friction-welding technique on each termination of every aluminum conductor 186.The diameter of copper contact 190 is generally equal to the diameter of aluminum conductor 186.In welding process, around lead 166, the binding site place of aluminum conductor 186 and copper contact 190 can form little burr 194.Before being installed on the lead 166, burr 194 must be removed insulation sheath 178.The length of lead 166 is enough to make copper contact 190 to pass each termination of jacket tube pipe 162, extends a predetermined length.
Shown in Figure 12 and 13, the joint link 26 shown in above-mentioned Fig. 9-11 ' be used in the joint link 158, connect on electric pre-bussed rigid conduit two neighboring sections 154 and 154 '.Utilize for example screw rod 206 and so on device, will link together by the outer cover 198 that two identical halves parts 202 are formed, closed joint link 26 '.Per half outer cover 202 is essentially cylindrical, has the step passage 218 of termination 214 and the mounting flange 210 and the band screw thread termination 214 of 210, one bands of ring flange screw thread.The step passage is of a size of the opening that makes ring flange 210 can fastening placement joint link 26 '.Joint link 26 ' be placed on two ring flange 210 the insides of half outer cover 202, by step passage 218 fixed positions.Band screw thread end 214 is accepted clamp nut 222 and is connected the packing washer 226 that adjacent two sections electric metal tubes adopt usually.
Referring now to Figure 16 and 17.Because lead 166 passes the two ends of outer tube 162 among this embodiment of the present invention, a section 230 that can change length at the scene is provided, can change the length of pre-bussed rigid conduit at the scene.The structure of on-the-spot variable length segment 230 and section 154/154 shown in above-mentioned Figure 12 and 13 ' structural similarity.Yet lead 234 can cut off adjustment outer cover 238 slides within the adjustment section 230 that can cut off.Support lead 234 in order to allow lead 234 in outer cover 238, to slide to adopt to give the expansion closed-cell foam supporter 242 that forms earlier, and make its location, replace section 154/154 ' in lead supporter 182.Figure 16 is the end-view of cut-out adjustment section 230, the baffle plate of X-shaped shown in the figure 244, and it is tightened in by screw 248 on each end of outer tube 238, prevents to give the lead supporter 242 and the lead 243 that form earlier and skids off outer tube 238.Figure 17 is not for adjusting the sectional view of section 230 with the cut-out of baffle plate 244.It is similar to the straight section outer tube 162 shown in Figure 12 to cut off the jacket tube pipe 238 of adjusting section 230, but also includes four narrow grooves 252 that are essentially U-shaped.Each narrow groove 252 is whole formation on the inner surface 256 of outer tube 238, and extends in the space that the inner surface 256 of outer tube 238 limited.Equidistantly, screw 248 can be fixed thereon each narrow groove 252 between two sulculuses 170, makes the baffle plate 244 of X-shaped be fixed on the end of outer tube 238.Cut off the total length of adjusting lead 234 and be copper, along the copper contact surface is all arranged on the arbitrfary point of lead 234.Every lead 234 is enclosed in the electric insulation sheath 178, and sheath 178 tightly is around on the lead 234, and it is insulated with other lead 234 and with outer tube 238 on electric.
Cut off the length of adjusting section 230 in order to change at the scene, the first step is to remove X-shaped baffle plate 244 from the two ends of outer tube 238.Then, the end with lead 234 release outer tubes 238 aligns with the other end of outer tube 238 up to the termination of lead 234.Next measure desired outer tube length for one of the outer tube of stretching from lead 234 238.Be in marking on the outer tube 238 in desired length, cut off outer tube as the crow flies with hacksaw or other suitable instrument again.In this course, giving the lead supporter 242 and the lead 234 that form earlier also is cut off simultaneously.Any burr or sharp edge on outer tube 238 cut end must be removed, and it might cut off or damage the insulation sheath 178 that wraps on the lead 234.Then lead 234 is pushed in the outer tube 238, makes every lead 234 have equivalent partly to adjust outer tube 238, stretch out by cutting off.Remove the burr on lead 234 cut end, partly peel off insulation sheath 178, electric contact surface is come out from the cut end of every lead 234.X-shaped baffle plate 244 installs to the two ends of outer tube 238 again, and the lead supporter 242 and the lead 234 that give formation are earlier remained on the position suitable in the outer tube 238.
Label shown in Figure 18 is that a dead-end feeder unit of 260 is generally used for rigidity of the present invention given and applies the wire duct feeder system and link on the power supply, perhaps is used to provide the electric power tapping point.Feeder unit 260 comprises and is essentially columniform outer cover 264, it has first end face 268, with pre-bussed rigid conduit outer tube 162 identical diameter is arranged, also has second end face 272, its slightly larger in diameter is a little, and be essentially columniform step-like passage 276, connect first end face 268 and second end face 272 respectively.On second end face 272, there is enough size to form terminal join domain 280 than major diameter passage 276.Second end face 272 also has outside screw thread part 284 to be used for twisting one or more nuts 288.On first end face 268, there is flange 292 to extend in the passage 276 along the lengthwise direction of outer cover 264.Each root all has the multiple conducting wires assembly parts 296 of rigid wire 300, and butt joint compression connector 304 and length are enough to be connected in control panel or other insulating soft wire 308 that seals wiring space partly is encapsulated in the outer cover.Rigid wire 300 is encapsulated in the sheath 178 of electric insulation, and first end face 312 and second end face 316 are arranged.Part insulation sheath 178 on first and second ends 312 and 316 is peelled off respectively, and an electric contact surface is provided.Second end, 316 volumes of rigid wire 300 are bent in an end of butt joint compression connector 304.The SI semi-insulation part of an end of peelling off every flexible conductor 308 to be providing contact area, and its volume is bent the other end at a butt joint compression connector 304.One section pyrocondensation electrical insulation 320 is enclosed within butt joint compression connector 304, and the adjacent insulation sheath 178 of rigid wire 300 and above the insulation of flexible conductor 308 heats then and shrinks hard-pressed bale up to it and blank area.The first end face plug 324 is of a size of tight plug within the passage of outer cover 264 first ends 268, and the passage 328 tight rigid wires 300 that apply are arranged beyond the Great Wall, has sulculus 332 to place flange 292, rotates in passage 276 to prevent the first end face plug 324.Finish after the lead assembly parts 296, first end 312 of every rigid wire 300 is inserted into the passage 276 in second end face 272 of outer cover 264, one of passage 328 of the first end face plug 324 is passed in pushing, outside first end 268 that stretches out outer cover 264 till specific length.At this moment, butt joint compression connector 304 just is encapsulated in the step-like passage 276 terminal bonding pads 280.From second end 272 of outer cover 264 encapsulating material 336 is poured into the step-like passage 276 then.After encapsulating material 336 solidifies lead assembly parts 296 are fixed in the outer cover 264.The second end face plug 340 is of a size of tight the plug in second end face 272 of step-like passage 276, and passage 344 is arranged beyond the Great Wall, for the tight flexible conductor 308 that applies insulation, if be ready, just can install this moment.Second end 272 of outer cover 264 is that install in the hole that is used for passing on control panel or other sealing terminal box 348, is connected on the control panel, as shown in Figure 20 by nut 288.The free end 352 of flexible conductor 308 is used for receiving on the wiring terminal 356 in control panel or the terminal box 348.
Referring now to Figure 21,, a segmentation of the system of distribution feeder shown in the figure, it has comprised that narrated in company with Figure 12-15 one section 154 is connected on the on-the-spot variable length segment of being narrated in company with Figure 16 and 17 230 by joint 158.
Therefore, wishing that following claim is seen as in the spirit and scope of the present invention has covered whole variations and modification with interior.
Utilizing a most preferred embodiment to narrate when of the present invention, those skilled in the art will recognize that within the spirit and scope of attached claim, the present invention can have correction in practice.
Claims (24)
1, one section wire duct of precoating comprises the combination with lower member:
One along longitudinal axis extension between the first end face district and the second end face district is the outer tube of rigidity substantially;
Many foundation are arranged in described outer tube, and this is the lead of rigidity, and described many rigid wires extend to the described second end face district of described outer tube from the described first end face district of described outer tube;
In described outer tube, with the holding components of described longitudinal axis centering, be used to support described multiple conducting wires, described holding components is spaced from each other described many rigid wires; With
Described many rigid wires form the pattern along described casing section length direction cross section unanimity, make described many rigid wires form the pattern of protruding formula connector on each end of described section.
2, one section wire duct of precoating just can change length at the scene along this length crosscut is disconnected, so that it is connected with other section, and formation distribution feeder system, it comprises the combination with lower member:
One is the outer tube of rigidity substantially, extends along the longitudinal axis between its first end face district and the second end face district, and described outer tube is along the cross section of its bearing of trend unanimity;
The many leads that are essentially rigidity in described sleeve pipe, described many rigid wires extend to the described second end face district of described outer tube from the described first end face district of described outer tube;
Each root has consistent cross section along its bearing of trend in the described many rigid wires;
In described outer tube, holding components with the described multiple conducting wires of support of described longitudinal axis centering, described holding components is spaced from each other described many rigid wires, described holding components is supported described multiple conducting wires, makes described multiple conducting wires to move with respect to described holding components and described outer tube along its length; With
Described many rigid wires, formation is along the pattern of described casing section length upper section unanimity, make described many rigid wires form the pattern of protruding formula connector,, then form same protruding formula connector pattern if described section changes length along the length transversely cutting at the scene at each end of described section.
3, one section wire duct of precoating as claimed in claim 1, wherein, describedly substantially form described protruding formula connector pattern each termination of described section for the lead of rigidity, be to be made by first electric conducting material, described part of extending between the described protruding formula connector pattern of each termination of described section for the lead of rigidity is substantially made by second electric conducting material.
4, one section wire duct of precoating as claimed in claim 3, wherein, described first electric conducting material is a copper, described second electric conducting material is an aluminium.
5, one section wire duct of precoating as claimed in claim 1, wherein, described holding components is included in the expansion closed-cell foam that described segment length direction is extended.
6, one section wire duct of precoating as claimed in claim 3, wherein, described holding components is included in the expansion closed-cell foam that described segment length direction is extended.
7, one section wire duct of precoating as claimed in claim 4, wherein, described holding components is included in the expansion closed-cell foam that described segment length direction is extended.
8, one section wire duct of precoating as claimed in claim 5, wherein, described substantially be rigidity lead described be substantially in the outer tube of rigidity in place after, described closed-cell foam foam-in-site, therefore, bondd simultaneously described basic the be outer tube of rigidity and the described basic lead of rigidity that is of described foam components.
9, one section wire duct of precoating as claimed in claim 6, wherein, described substantially be rigidity lead described be substantially in the outer tube of rigidity in place after, described closed-cell foam foam-in-site, therefore, bondd simultaneously described basic the be outer tube of rigidity and the described basic lead of rigidity that is of described foam components.
10, one section wire duct of precoating as claimed in claim 7, wherein, described substantially be rigidity lead described be substantially in the outer tube of rigidity in place after, described closed-cell foam foam-in-site, therefore, bondd simultaneously described basic the be outer tube of rigidity and the described basic lead of rigidity that is of described foam components.
11, one section wire duct of precoating as claimed in claim 1, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
12, one section wire duct of precoating as claimed in claim 5, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
13, one section wire duct of precoating as claimed in claim 6, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
14, one section wire duct of precoating as claimed in claim 7, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
15, one section wire duct of precoating as claimed in claim 2, wherein, described holding components comprises the expansion closed-cell foam that extends along described section length.
16, one section wire duct of precoating as claimed in claim 2, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
17, one section wire duct of precoating as claimed in claim 3, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
18, one section wire duct of precoating as claimed in claim 4, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
19, one section wire duct of precoating as claimed in claim 15, wherein, described holding components is included in described basic a plurality of sulculuses for forming in the outer tube of rigidity, and described sulculus extends along the longitudinal axis between described first end face district and the described second end face district.
20, one section wire duct of precoating as claimed in claim 2 further comprises retaining device and in described basic mechanism for forming in the outer tube of rigidity, described retaining device is fixed to described substantially on the outer tube of rigidity.
21, a kind of lead dead-end feeder unit of precoating comprises the combination with the lower part:
Basic is the outer tube of rigidity, between the first end face district and the second end face district, extends along the longitudinal axis;
This is the lead of rigidity for many foundation in described outer tube, and described many rigid wires first end face district from described outer tube in described outer tube extends to the described second end face district;
In described outer tube, with the holding components of described longitudinal axis centering, be used to support described multiple conducting wires, described holding components is spaced from each other described many rigid wires;
Described many rigid wires form the pattern along described casing section length upper section unanimity, make described many rigid wires form the pattern of protruding formula connector at described first end;
Many flexible conductors, electric and mechanically be connected on the described many rigid wires, described many flexible conductors stretch out the described second end face district.
22, a kind of distribution feeder system comprises the combination with the lower part:
First is the outer tube of rigidity substantially, extends along the longitudinal axis between the first end face district and the second end face district;
Described first substantially be that many foundation in the outer tube of rigidity are the lead of rigidity, and described many rigid wires extend to the described second end face district of described outer tube from the described first end face district of described outer tube;
Described first is in the outer tube of rigidity substantially, with the holding components of described longitudinal axis centering, is used to support described multiple conducting wires, and described holding components is spaced from each other described many rigid wires;
Described many rigid wires form along described first be the pattern of the outer tube length upper section unanimity of rigidity substantially, make described many rigid wires protruding formula connector pattern of formation on each end of the described first basic outer tube for rigidity;
Second is the outer tube of rigidity substantially, between the first end face district and the second end face district, extends along the longitudinal axis, and the described second basic outer tube for rigidity has consistent cross section along its length;
Described second substantially be in the outer tube of rigidity many foundation this be the lead of rigidity, it is the described second end face district of the outer tube of rigidity substantially that described many rigid wires extend to described second from the described first end face district of the described second basic outer tube for rigidity;
Each root has consistent cross section along its length in the described many rigid wires;
Described second is in the outer tube of rigidity substantially, holding components with described longitudinal axis centering, be used to support described multiple conducting wires, described holding components is spaced from each other described many rigid wires, described holding components is supported described multiple conducting wires, makes described multiple conducting wires to move along its length with respect to described holding components and described outer tube;
Described many rigid wires, formation is the pattern of the outer tube length upper section unanimity of rigidity along described second substantially, make described many rigid wires form protruding formula connector pattern at each end of the described second basic outer tube for rigidity, if described section is transversal its length, variable-length then forms same protruding formula connector pattern at the scene;
Connector is electric and mechanically basic this is connected to for the lead of rigidity that basic this is on the lead of rigidity for the described many foundation in the outer tube of rigidity described second for many foundation described in the outer tube of rigidity with described first
23, one section wire duct of precoating as claimed in claim 22, wherein, described first substantially is on each end of outer tube of rigidity, describedly substantially form described protruding formula connector pattern for the lead of rigidity, make by first electric conducting material, described first substantially is on each end of outer tube of rigidity, between described protruding formula connector pattern, extend described be to make substantially by second electric conducting material for the lead of rigidity, the above is that the lead of rigidity forms described protruding formula connector pattern substantially at each end of the described second basic outer tube for rigidity, is made by described first electric conducting material.
24, one section wire duct of precoating as claimed in claim 23, wherein, described first electric conducting material is a copper, described second electric conducting material is an aluminium.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/085,341 US5484300A (en) | 1992-07-08 | 1993-06-30 | Pre-bussed rigid conduit |
| US08/085,341 | 1993-06-30 | ||
| PCT/US1995/002860 WO1996027923A1 (en) | 1995-03-08 | 1995-03-08 | End feed connector for pre-bussed rigid conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1113094A true CN1113094A (en) | 1995-12-06 |
| CN1036743C CN1036743C (en) | 1997-12-17 |
Family
ID=22190960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94190554A Expired - Fee Related CN1036743C (en) | 1993-06-30 | 1994-06-07 | Pre-bussed rigid conduit |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5516302A (en) |
| EP (1) | EP0659300B1 (en) |
| JP (1) | JPH08500960A (en) |
| KR (1) | KR960700540A (en) |
| CN (1) | CN1036743C (en) |
| CA (1) | CA2143635A1 (en) |
| DE (1) | DE69430359T2 (en) |
| MY (1) | MY111481A (en) |
| TW (1) | TW345769B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429849C (en) * | 2005-05-24 | 2008-10-29 | 张志辉 | Heat shrinking positioning method and heat shrinking positioning plate for super-thin wire conduit |
| CN101017932B (en) * | 2007-01-09 | 2010-07-28 | 张选 | Built-in pipe bus connector |
| CN106816839A (en) * | 2015-11-27 | 2017-06-09 | 日立金属株式会社 | The manufacture method of distribution component and distribution component |
| CN111092314A (en) * | 2020-02-14 | 2020-05-01 | 埃塞克斯电气(南京)有限公司 | Cable terminal connector |
| CN112854463A (en) * | 2021-03-10 | 2021-05-28 | 上海雅风企业发展有限公司 | Modular quick-connection space construction structure arranged inside building |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6176719B1 (en) * | 1998-04-24 | 2001-01-23 | Square D Company | Bolted electrical connecting device for multiple electrical conductors |
| DE10208106B4 (en) * | 2002-02-26 | 2013-04-11 | Roof Systems Germany Gmbh | Assembly for a vehicle door |
| ITBS20030047A1 (en) * | 2003-05-20 | 2004-11-21 | Bbi Electric Spa | SEALING CONNECTION SYSTEM OF PREFABRICATED ELECTRIC DUCTS FOR ELECTRIC LIGHTING LINES AND SIMILAR. |
| US20070001157A1 (en) * | 2005-06-29 | 2007-01-04 | Quick Jon C | Conduit leader |
| JP6638609B2 (en) * | 2016-09-13 | 2020-01-29 | 住友電気工業株式会社 | Conduit connection structure and outdoor electrical equipment |
| EP3467960B1 (en) | 2017-10-09 | 2022-03-09 | MD Elektronik GmbH | Electric plug connector |
| CN108358736B (en) * | 2018-02-06 | 2019-10-11 | 深圳大成创安达电子科技发展有限公司 | A kind of detonator buttock line attachment device and connection method |
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| US3170752A (en) * | 1962-10-18 | 1965-02-23 | Nu Line Ind Inc | Electrical connector apparatus |
| GB1087605A (en) * | 1965-06-29 | 1967-10-18 | Gemes Holdings Pty Ltd | Bus-way |
| US3748632A (en) * | 1972-05-04 | 1973-07-24 | Florida General Electronics In | Insulated electrical connector |
| US3871734A (en) * | 1974-02-25 | 1975-03-18 | Delbert Lyle Murtland | Electrical conducting fluid tight tubular assembly |
| US4154302A (en) * | 1977-10-31 | 1979-05-15 | Shafco Industries, Inc. | Cable feed-through method and apparatus for well head constructions |
| US4708201A (en) * | 1984-10-29 | 1987-11-24 | Reed Lehman T | Top entry electrical transmission assembly for submersible pumping |
| US4683944A (en) * | 1985-05-06 | 1987-08-04 | Innotech Energy Corporation | Drill pipes and casings utilizing multi-conduit tubulars |
| US5211589A (en) * | 1991-03-15 | 1993-05-18 | Cardell Corporation | Micropin connector system |
| ES2095475T3 (en) * | 1991-03-26 | 1997-02-16 | Square D Co | RIGID PRE-CHANNELED DUCT. |
| US5346406A (en) * | 1993-04-30 | 1994-09-13 | Hubbell Incorporated | Electrical cable and connector assembly with safety pilot line disconnect, especially for electric vehicle |
-
1994
- 1994-03-07 US US08/206,817 patent/US5516302A/en not_active Expired - Lifetime
- 1994-06-07 KR KR1019950700851A patent/KR960700540A/en not_active Application Discontinuation
- 1994-06-07 CA CA002143635A patent/CA2143635A1/en not_active Abandoned
- 1994-06-07 CN CN94190554A patent/CN1036743C/en not_active Expired - Fee Related
- 1994-06-07 EP EP94919404A patent/EP0659300B1/en not_active Expired - Lifetime
- 1994-06-07 DE DE69430359T patent/DE69430359T2/en not_active Expired - Fee Related
- 1994-06-07 JP JP7503497A patent/JPH08500960A/en active Pending
- 1994-06-18 MY MYPI94001571A patent/MY111481A/en unknown
- 1994-07-04 TW TW083106083A patent/TW345769B/en active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429849C (en) * | 2005-05-24 | 2008-10-29 | 张志辉 | Heat shrinking positioning method and heat shrinking positioning plate for super-thin wire conduit |
| CN101017932B (en) * | 2007-01-09 | 2010-07-28 | 张选 | Built-in pipe bus connector |
| CN106816839A (en) * | 2015-11-27 | 2017-06-09 | 日立金属株式会社 | The manufacture method of distribution component and distribution component |
| CN106816839B (en) * | 2015-11-27 | 2020-08-21 | 日立金属株式会社 | Wiring member and method for manufacturing wiring member |
| CN111092314A (en) * | 2020-02-14 | 2020-05-01 | 埃塞克斯电气(南京)有限公司 | Cable terminal connector |
| CN112854463A (en) * | 2021-03-10 | 2021-05-28 | 上海雅风企业发展有限公司 | Modular quick-connection space construction structure arranged inside building |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69430359T2 (en) | 2003-01-02 |
| US5516302A (en) | 1996-05-14 |
| CN1036743C (en) | 1997-12-17 |
| TW345769B (en) | 1998-11-21 |
| EP0659300B1 (en) | 2002-04-10 |
| JPH08500960A (en) | 1996-01-30 |
| MY111481A (en) | 2000-06-30 |
| EP0659300A1 (en) | 1995-06-28 |
| CA2143635A1 (en) | 1995-01-12 |
| EP0659300A4 (en) | 1997-01-02 |
| KR960700540A (en) | 1996-01-20 |
| DE69430359D1 (en) | 2002-05-16 |
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